From the product description, check product page for current description, price and availability:
- High Quality:Made of stainless steel material,more solid and last longer. makes it easier than ever to carbonate your beverages!
- Portable and Convenient: It can be attached to plastic bottles, gas (grey) ball lock connectors, or liquid (black) ball lock connectors.Less expensive and more portable than traditional CO2 systems.
- Easy to Use :Attaches to plastic bottles and connects to a gas side ball-lock disconnect in order to inject CO2 into the bottle, creating carbonation，your beer is available to drink almost immediately.
- Various Usage:Carbonation caps can carbonate a number of beverages, including beer, soda, water, and juice
- Please Note:For best results, make sure that your beverage is very cold so that the CO2 can be absorbed much faster